Exodus 12:34
And the people took their dough before it was leavened, their kneadingtroughs being bound up in their clothes upon their shoulders.
Exodus 8:3
And the river shall bring forth frogs abundantly, which shall go up and come into thine house, and into thy bedchamber, and upon thy bed, and into the house of thy servants, and upon thy people, and into thine ovens, and into thy kneadingtroughs: